Sika Waterbars for construction joints are used to seal "day-work" joints where casting is interrupted. Unlike expansion joints, these are intended for joints with little to no expected movement. They feature a multi-ribbed profile that creates an impenetrable barrier against water migration along the concrete interface.
Internal (Type V): A flat-profile waterbar cast centrally into the stop-ends. It provides a highly secure internal seal that is mandatory for critical water-retaining structures like reservoirs and basements.
External (Type AR): Surface-mounted waterstops fixed to the formwork before pouring. They are ideal for slabs and walls where internal reinforcement is too dense to allow for central placement.
Material: High-quality PVC-P.
Thickness: 3.0 mm – 5.0 mm (Type V) / 4.0 mm (Type AR).
Application Environment: Retaining walls, floor slabs, lift pits, and underground car parks.
Compliance: Density ~1.40 kg/l, Tensile Strength ≥12 MPa, Elongation at break ≥300%.
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